A central problem in qualitative reasoning is understanding how people reason about space and shape with diagrams. We claim that progress in diagrammatic reasoning is being slowed...
We describe a software interface for drawing in three dimensions using a game pad. The software runs in a walk-in, virtual-reality theatre and has been designed for walk-up usabil...
Abstract. NPR Lenses is an interactive technique for producing expressive non-photorealistic renderings. It provides an intuitive visual interaction tool for illustrators, allowing...
Petra Neumann, Tobias Isenberg, M. Sheelagh T. Car...
We present data representations, distance measures and organizational structures for fast and efficient retrieval of similar shapes in image databases. Using the Hough Transform w...
Michail Vlachos, Zografoula Vagena, Philip S. Yu, ...